Variation in Calcium Content of Ginger Germplasm Inoculated with Bio-Agent, Trichoderma viride against Root-Knot Nematode, Meloidogyne incognita

International Journal of Plant & Soil Science Pub Date : 2021-12-13 DOI:10.9734/ijpss/2021/v33i2430756

Manaswini Mahapatra, D. Nayak, Pranaya Pradhan, A. Mishra

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Abstract

The study was aimed to control nematodes in ginger crop in a sustainable way through inoculation of bio-agent, Trichoderma viride. The outcome of our research revealed that Trichoderma viride alone (T2) was the most effective treatment among all. This bio-agent has lowered the root-knot nematode populations by suppressing the disease intensity and responsible for enhancement of plant growth, increases the availability of nutrients to host plant. Meloidogyne incognita alone (T1) infected rhizomes resulted in highest reduction of calcium content amounting 2.26 and 2.43 mg/100g dry weight whereas maximum content was recorded in Trichoderma viride alone (T2) inoculated rhizomes as 2.84 and 3.08 mg 100g-1 dry weight in suravi and suprabha over control (T7) respectively. Trichoderma viride inoculated 15 days prior to Meloidogyne incognita (TV→MI) was found to be most efficient one among all combined treatments. Susceptibility towards nematode induced more nutrient deposition in rhizomes of ginger crop due to poor translocation process through xylem.

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接种绿色木霉防治根结线虫的姜种质钙含量变化研究

本研究旨在通过接种生物制剂绿木霉(Trichoderma viride)对生姜线虫进行可持续防治。我们的研究结果表明，单独使用绿色木霉(T2)是最有效的治疗方法。该生物制剂通过抑制根结线虫的发病强度，降低了根结线虫的数量，促进了植物的生长，增加了寄主植物的营养利用率。单独侵染黑心木霉(T1)的根状茎中钙含量下降最多，分别为2.26和2.43 mg/100g干重，而单独接种绿木霉(T2)的根状茎中钙含量最高，分别为2.84和3.08 mg/100g干重。以绿木霉(TV→MI)早接种15 d的组合处理效果最好。对线虫的敏感性导致生姜根状茎中养分沉积较多，主要是由于木质部转运过程较差。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International Journal of Plant & Soil Science

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